./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 997cd7c3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:55:46,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:55:46,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:55:46,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:55:46,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:55:46,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:55:46,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:55:46,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:55:46,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:55:46,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:55:46,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:55:46,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:55:46,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:55:46,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:55:46,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:55:46,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:55:46,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:55:46,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:55:46,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:55:46,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:55:46,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:55:46,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:55:46,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:55:46,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:55:46,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:55:46,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:55:46,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:55:46,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:55:46,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:55:46,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:55:46,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:55:46,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:55:46,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:55:46,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:55:46,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:55:46,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:55:46,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:55:46,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:55:46,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:55:46,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:55:46,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:55:46,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:55:46,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:55:46,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:55:46,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:55:46,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:55:46,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:55:46,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:55:46,423 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:55:46,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:55:46,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:55:46,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:55:46,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:55:46,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:55:46,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:55:46,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:55:46,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:55:46,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:55:46,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:55:46,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:55:46,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:55:46,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:55:46,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:55:46,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:55:46,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:55:46,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:55:46,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-09-22 14:55:46,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:55:46,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:55:46,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:55:46,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:55:46,661 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:55:46,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-09-22 14:55:46,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6ee30fce/6c8c20a0ef1441f98dcc118706a77e87/FLAG0353cb154 [2021-09-22 14:55:47,296 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:55:47,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-09-22 14:55:47,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6ee30fce/6c8c20a0ef1441f98dcc118706a77e87/FLAG0353cb154 [2021-09-22 14:55:47,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6ee30fce/6c8c20a0ef1441f98dcc118706a77e87 [2021-09-22 14:55:47,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:55:47,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:55:47,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:47,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:55:47,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:55:47,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:47" (1/1) ... [2021-09-22 14:55:47,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38509d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:47, skipping insertion in model container [2021-09-22 14:55:47,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:47" (1/1) ... [2021-09-22 14:55:47,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:55:47,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:55:47,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-09-22 14:55:49,486 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:55:49,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@600792bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:49, skipping insertion in model container [2021-09-22 14:55:49,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:49,488 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:55:49,489 INFO L168 Benchmark]: Toolchain (without parser) took 1985.67 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 28.5 MB in the beginning and 44.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:55:49,490 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:55:49,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1983.98 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 28.3 MB in the beginning and 44.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:55:49,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1983.98 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 28.3 MB in the beginning and 44.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:55:50,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:55:50,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:55:50,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:55:50,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:55:50,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:55:50,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:55:50,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:55:50,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:55:50,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:55:50,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:55:50,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:55:50,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:55:50,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:55:50,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:55:50,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:55:50,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:55:50,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:55:50,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:55:50,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:55:50,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:55:50,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:55:50,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:55:50,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:55:50,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:55:50,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:55:50,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:55:50,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:55:50,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:55:50,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:55:50,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:55:50,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:55:50,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:55:50,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:55:50,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:55:50,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:55:50,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:55:50,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:55:50,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:55:50,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:55:50,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:55:50,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-22 14:55:50,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:55:50,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:55:50,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:55:50,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:55:50,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:55:50,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:55:50,857 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:55:50,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:55:50,858 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-22 14:55:50,859 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-22 14:55:50,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:55:50,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:55:50,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:55:50,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:55:50,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:55:50,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:55:50,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:55:50,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:55:50,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:55:50,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:55:50,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:55:50,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-22 14:55:50,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-22 14:55:50,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:55:50,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:55:50,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-22 14:55:50,861 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-09-22 14:55:51,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:55:51,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:55:51,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:55:51,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:55:51,119 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:55:51,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-09-22 14:55:51,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/805c24a0a/2935cf9643004d90acaff3176230c3ce/FLAG932136a65 [2021-09-22 14:55:51,792 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:55:51,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-09-22 14:55:51,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/805c24a0a/2935cf9643004d90acaff3176230c3ce/FLAG932136a65 [2021-09-22 14:55:52,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/805c24a0a/2935cf9643004d90acaff3176230c3ce [2021-09-22 14:55:52,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:55:52,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:55:52,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:52,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:55:52,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:55:52,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:52" (1/1) ... [2021-09-22 14:55:52,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fda05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:52, skipping insertion in model container [2021-09-22 14:55:52,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:52" (1/1) ... [2021-09-22 14:55:52,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:55:52,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:55:52,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-09-22 14:55:54,630 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:55:54,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e05c469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:54, skipping insertion in model container [2021-09-22 14:55:54,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:54,631 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:55:54,632 INFO L168 Benchmark]: Toolchain (without parser) took 2478.42 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.7 MB in the beginning and 54.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-09-22 14:55:54,633 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:55:54,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2476.30 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.6 MB in the beginning and 54.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-09-22 14:55:54,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2476.30 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.6 MB in the beginning and 54.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...